package com.heima.a07_demo.server.handler;

import com.heima.a07_demo.common.exception.BaseException;
import com.heima.a07_demo.common.result.Result;
import lombok.extern.slf4j.Slf4j;
import org.springframework.web.bind.annotation.ExceptionHandler;
import org.springframework.web.bind.annotation.RestControllerAdvice;

import java.sql.SQLIntegrityConstraintViolationException;

/**
 * 全局异常处理器，处理项目中抛出的业务异常
 */
@RestControllerAdvice
@Slf4j
public class GlobalExceptionHandler {

    /**
     * 捕获业务异常
     * @param ex
     * @return
     */
    @ExceptionHandler
    public Result exceptionHandler(BaseException ex){
        log.error("异常信息：{}", ex.getMessage());
        return Result.error(ex.getMessage());
    }
   /*@ExceptionHandler
   //单独定义一个全局处理类来处理，新增医生重复的问题，有便于知道是什么异常
    public Result exceptionHandler(SQLIntegrityConstraintViolationException ex){
        String message = ex.getMessage();
        //Duplicate entry 'zhangsan' for key 'employee.idx_username'
        if (message.contains("Duplicate entry")){
            String[] split = message.split(" ");//Duplicate为0，entry为1，根据空格截取成数组，zhangsan为2
            String username=split[2];
            String msg=username+ "已存在";
            return Result.error(msg);
        }else
            return Result.error("未知错误");
    }*/

}
